*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    /*!* 针对所有元素隐藏滚动条 *!*/
    /*    scrollbar-width: none; !* Firefox *!*/
    /*    -ms-overflow-style: none;  !* IE and Edge *!*/
    /*    ::-webkit-scrollbar {*/
    /*        display: none; !* Chrome, Safari and Opera *!*/
    /*    }*/
}
ul{
    list-style-type: none;
}
